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SUBMITTED BY: Guest

DATE: Oct. 23, 2014, 6:23 p.m.

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  1. #include <fcntl.h>
  2. #include <unistd.h>
  4. int my_putstr(char *str);
  5. int aff_doc(char *path);
  7. int main(int argc, char **argv)
  8. {
  9. int i;
  10. int err;
  11. int ord;
  12. char buf[512];
  14. if (argc == 1)
  15. {
  16. while (42)
  17. {
  18. ord = read(0, buf, 512);
  19. write(1, buf, ord);
  20. }
  21. }
  22. i = 1;
  23. while (i < argc)
  24. {
  25. err = aff_doc(argv[i]);
  26. if (err == 1)
  27. {
  28. return (0);
  29. }
  30. i = i + 1;
  31. }
  32. return (0);
  33. }
  35. int aff_doc(char *path)
  36. {
  37. int fd;
  38. int ord;
  39. char buf[512];
  41. ord = 512;
  42. fd = open(path, O_RDONLY);
  43. if (fd == -1)
  44. {
  45. my_putstr("cat: ");
  46. my_putstr(path);
  47. my_putstr(" No such file or directory\n");
  48. return (0);
  49. }
  50. while (ord == 512)
  51. {
  52. ord = read(fd, buf, 512);
  53. write(1, buf, ord);
  54. }
  55. close(fd);
  56. return (0);
  57. }
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